Rhytida

Rhytida
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia clade Euthyneura clade Panpulmonata clade Eupulmonata clade Stylommatophora informal group Sigmurethra
Superfamily:	Rhytidoidea
Family:	Rhytididae
Genus:	Rhytida Martens, 1860
Species
See text

Rhytida is a genus of medium-sized, air-breathing, predatory land snails, terrestrial pulmonate gastropod molluscs in the family Rhytididae.

This is the type genus of the family.

Distribution

This genus is endemic to New Zealand.^[1]

Species

Species and subspecies recognised in the genus Rhytida are:^[2]

• Rhytida australis Hutton, 1883 Stewart Island/Rakiura
• Rhytida citrina Hutton, 1883 South Island
• Rhytida greenwoodi
  • Rhytida greenwoodi greenwoodi (Gray, 1950) North Island
  • Rhytida greenwoodi webbi Powell, 1949 South Island
• Rhytida meesoni
  • Rhytida meesoni meesoni Suter, 1891 South Island
  • Rhytida meesoni perampla Powell, 1946 South Island
• Rhytida oconnori Powell, 1946 South Island
• Rhytida otagoensis Powell, 1930 South Island
• Rhytida patula Hutton, 1883 South Island
• Rhytida stephenensis Powell, 1930 Stephens Island, Cook Strait

Note that the species/subspecies status of some of the above taxa is unclear and differs between sources.

References

1. Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
2. Checklist of New Zealand Mollusca

Further reading

• Efford M. G. 1998 Distribution and status of native carnivorous land snails in the genera Wainuia and Rhytida. Science for Conservation 101: 1–47.